vendor/clang/clang-trunk-r351319

1 files changed, 26 insertions, 0 deletions

diff --git a/test/SemaCXX/warn-float-conversion.cpp b/test/SemaCXX/warn-float-conversion.cpp
index a3d178622c7d7..7dec4844b062e 100644
--- a/test/SemaCXX/warn-float-conversion.cpp
+++ b/test/SemaCXX/warn-float-conversion.cpp
@@ -41,6 +41,32 @@ void Convert(float f, double d, long double ld) {
   l = ld;  //expected-warning{{conversion}}
 }
 
+void CompoundAssignment() {
+  int x = 3;
+
+  x += 1.234;  //expected-warning{{conversion}}
+  x -= -0.0;  //expected-warning{{conversion}}
+  x *= 1.1f;  //expected-warning{{conversion}}
+  x /= -2.2f;  //expected-warning{{conversion}}
+
+  int y = x += 1.4f;  //expected-warning{{conversion}}
+
+  float z = 1.1f;
+  double w = -2.2;
+
+  y += z + w;  //expected-warning{{conversion}}
+}
+
+# 1 "foo.h" 3
+//          ^ the following text comes from a system header file.
+#define SYSTEM_MACRO_FLOAT(x) do { (x) += 1.1; } while(0)
+# 1 "warn-float-conversion.cpp" 1
+//                              ^ start of a new file.
+void SystemMacro() {
+  float x = 0.0f;
+  SYSTEM_MACRO_FLOAT(x);
+}
+
 void Test() {
   int a1 = 10.0/2.0;  //expected-warning{{conversion}}
   int a2 = 1.0/2.0;  //expected-warning{{conversion}}